3840508834249 has 2 divisors, whose sum is σ = 3840508834250. Its totient is φ = 3840508834248.

The previous prime is 3840508834231. The next prime is 3840508834297. The reversal of 3840508834249 is 9424388050483.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3659090765625 + 181418068624 = 1912875^2 + 425932^2 .

It is a cyclic number.

It is not a de Polignac number, because 3840508834249 - 2²⁷ = 3840374616521 is a prime.

It is a super-2 number, since 2×3840508834249² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3840508834193 and 3840508834202.

It is not a weakly prime, because it can be changed into another prime (3840508834949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920254417124 + 1920254417125.

It is an arithmetic number, because the mean of its divisors is an integer number (1920254417125).

Almost surely, 2^{3840508834249} is an apocalyptic number.

It is an amenable number.

3840508834249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3840508834249 is an equidigital number, since it uses as much as digits as its factorization.

3840508834249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26542080, while the sum is 58.

The spelling of 3840508834249 in words is "three trillion, eight hundred forty billion, five hundred eight million, eight hundred thirty-four thousand, two hundred forty-nine".